Coleraine, County Londonderry
Terraced house rear extension in Coleraine
We plan and build rear extensions for terraced houses for homeowners in Coleraine. Rear and side return extensions for terraces, with access through the house and two neighbours. Start with a free site visit, then a written price once the design is agreed.
Coleraine is covered from our County Londonderry round, including BT52. In Coleraine we plan the delivery route through the house and the skip licence before anything else.
Book a free site visit
Tell us about the house and we'll call to arrange a free, no-obligation visit.
How much does a terraced house rear extension cost in Coleraine?
A terraced house rear extension in Coleraine is priced at £1,780–£2,870 per square metre including VAT as a guide, before kitchen fit-out and fees. Northern Ireland prices are the lowest in our range.
| Size | Guide price inc VAT |
|---|---|
| 3 m wide × 4.5 m deep (13.5 m²) | £24,000–£39,000 |
| 3 m wide × 6 m deep (18 m²) | £32,000–£51,500 |
These are guide ranges; the written quote after the survey is the figure that counts.
Do you need planning permission for a terraced house rear extension in Coleraine?
Whether your terraced house rear extension in Coleraine needs a planning application depends on its size, your house and any local restrictions.
Northern Ireland's permitted development rules allow a single-storey rear extension of 3 metres on terraced and semi-detached houses and 4 metres on detached houses, with a 4 metre height limit. Listed buildings, conservation areas and houses with removed rights need planning permission from the council.
There is no Party Wall Act in Northern Ireland; we agree any work affecting a shared wall or boundary directly with the neighbour, in writing.
Conservation areas, Areas of Outstanding Natural Beauty and listed buildings restrict permitted development in Northern Ireland. At the first visit we measure what is there now and tell you which route fits: permitted development or a planning application.
What are homes in Coleraine like to extend?
Semis and detached houses are typical of Coleraine, and many have room for a rear extension within Northern Ireland's permitted development limits.
How a terraced house rear extension in Coleraine comes together
Look round and measure
A free visit to see the back of the house, measure it, check the drains and boundaries and hear what you need.
Options and costs
We draw layout options and price each one, so the budget shapes the design rather than surprising you later.
Paperwork handled
Planning or permitted development, building control approval, structural design and neighbour agreements are all handled by us.
Written price, then build
Once the design and approvals are in place, you get a fixed written price and programme, and we build through to sign-off.
Terraced house rear extensions near Coleraine
We also build rear extensions for terraced houses in nearby Portstewart (3.8 miles) and Limavady (12.6 miles).
- Terraced house rear extension in Portstewart
- Terraced house rear extension in Limavady
- Terraced house rear extension in Ballymena
- Terraced house rear extension in Magherafelt
- Terraced house rear extension in Derry~Londonderry
Other work in Coleraine:
FAQ
Terraced house rear extension questions in Coleraine
Do I need planning permission for a rear extension in Coleraine?
Often not for a single-storey rear extension of up to 3 metres (4 metres detached) under Northern Ireland's permitted development rules, outside conservation areas.
How long does a rear extension take to build in Coleraine?
Most single-storey rear extensions take 10 to 16 weeks on site and two-storey extensions 16 to 26 weeks, after design and approvals.
Can you build without side access?
Yes. Materials come through the house in protected runs or over the roof by crane on tight sites.
Do I need a party wall agreement?
Northern Ireland has no Party Wall Act; we agree any shared-wall work with your neighbour in writing.
Is the site visit in Coleraine free?
Yes. We visit, measure up and talk through the options with no cost and no obligation.
Do you handle building control in Coleraine?
Yes. We apply to the council's building control team and hand over the completion certificate.